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microbiology Lab Suppliers, Independent microbiology Laboratories for microbiology testing, microbiology services, microbiology research, microbiology analysis, microbiology assays, microbiology scientific, microbiology science, microbiology R&D, microbiology supplies, microbiology experiments, microbiology development, microbiology engineering, microbiology investigations, microbiology examinations

microbiology Laboratory Testing Requests

14-00932 FDA cGMP Microbiology laboratory needed for Hand sanitizer efficacy testing against bacteria and virus protection and 99.99% kill against harmful bacteria. ( read more )....., Lab Needed
14-00929 Texas Food Laboratory needed for Honey Testing: Quality Control Testing, Impurities Testing and microbiology testing. ( read more )....., Lab Needed
14-00925 Europe microbiology laboratory needed for Virucidal testing of biocide according to standart EN 14675:2006 against Asfarviridae virusus. Please inform me if laboratory has opportunity to test biocide and how much it cost? ( read more )....., Lab Needed
14-00910 Microbiology Laboratory needed for fungus testing in wheat samples for testing the fungi "Ergot". Please send the cost and procedure for the presence of Ergot in Wheat samples. ( read more )....., Lab Needed
14-00889 Juice company needs microbiology laboratory for food safety testing: pathogen validation on our juice products. ( read more )....., Lab Needed
14-00882 California ISO FDA cGMP Microbiology Laboratory needed for microbioogy testing: Transformation of gram positive bacteria with plasmid carrying rfp ( read more )....., Lab Needed
14-00875 East Coast USA food microbiology laboratory and food analytical chemistry laboratory needed for Various lab tests on imported foods imported from Thailand for FDA compliance. ( read more )....., Lab Needed
14-00871 Microbiology Laboratory needed for pyrogen endotoxin testing. Please provide a quote. ( read more )....., Lab Needed
14-00854 Microbiology laboratory needed for efficacy testing on natural alcohol free mouthwash. The broth method must be used. The specifications are as follows: ? Must be 100% bactericidal against below mentioned organisms after the duration of between 30 and 60 seconds ( Preferably 30secs). o S.mitis o S.aureus o S.mutans o E.faecalis o F.nucleatum o P.gingivalis o C.albicans o C.glabrata o C.tropicalis o A.actinomycetemcomitans Dosage instructions: Rinse with 15ml mouthwash for 30 sec ( read more )....., Lab Needed
14-00841 Europe, Asia or Australia microbiology laboratory needed for virus testing to BS EN Standards. Testing of liquid raw ingredient against FMD. ( read more )....., Lab Needed
14-00807 India NABL microbiology laboratory needed for sporicidal efficacy testing of hydrogen peroxide & silver nitrate ( read more )....., Lab Needed
14-00796 ISO Netherlands Microbiology Laboratory needed for microbiology testing : On site environmental monitoring for viable counts in clean room" ( read more )....., Lab Needed
14-00777 Microbiology Laboratory needed for hand sanitzer efficacy testing against influenza A virus (human) 1. Objective ? demonstrate 8 hr protection and 99.99% kill against influenza A virus (human) 2. Contact time ? 5 or 30 sec, 1H, 2H, 3H, 4H, 5H, 6H, 7H and 8H Would appreciate your soonest reply. ( read more )....., Lab Needed
14-00776 University Research Scholar needs India microbiology laboratory for bacterial derived pigment testing: analysis for pigment identification. the sample is bacterial derived pigment. i need to know about the cost for it. ( read more )....., Lab Needed
14-00770 Fruit Juice manufacturer needs food laboratory for food microbiology and sensory quality control testing to improve the quality control system - for juice and water analysis - Sensory Evaluation ( read more )....., Lab Needed
14-00765 USA Bioanalytical / microbiology laboratory needed start a culture of S. zooepidemicus and measure hyaluron production. Then see effect of several additives on hyaluronan concentration. Initial results must be reproducible as well as additives ( read more )....., Lab Needed
3 juice samples variety of juices testing for toxins, fermentation, if safe for consumption ( read more )....., Lab Needed
14-00760 India microbiology laboratory needed for microbiology testing ( read more )....., Lab Needed
14-00738 University researcher needs UK microbiology laboratory for field research that requires PCR testing for two fungi samples to differentiate the DNA origin of each fungi ( read more )....., Lab Needed
14-00731 Asia microbiology laboratory needed for staph testing: characterization of S. Aureus. email: ( read more )....., Lab Needed
14-00721 Hong Kong and China analytical chemistry and microbiology laboratory needed for cosmetics testing at least one of the following type : chemical testing/ Microbiology testing efficacy testing /spf testing/ toxicology testing ( read more )....., Lab Needed
14-00709 University Researcher needs microbiology laboratory for TEM Analysis: Transmision Electron Microscopy for bacterial cells (sample preparation for TEM is also needed) ( read more )....., Lab Needed
14-00694 India ISO or USPA Microbiology Laboratory needed for Disinfection efficacy testing for our disinfection solution. ( read more )....., Lab Needed
14-00691 European Union Microbiology Laboratory needed for Endotoxin Testing: LAL Testing (Bacterial Endotoxin Test ) & Rabbit Pyrogen Test for our Infusion/ Transfusion Set(medical Devices) Test Reference: As per USP Chapter 85 & 151 Note: The test Shall be conducted at any laboratory from European Union Countries. let us provide testing charge for LAL Test & Rabbit Pyrogen Test (03 tests each) if you have testing facility ( read more )....., Lab Needed
14-00686 Food Laboratory needed for nutritional testing and microbiology testing for Nutrition Value canned whole peeled tomatoes ( read more )....., Lab Needed
14-00685 Agriculture GLP Microbiology Laboratory needed for GLP Product Safety Testing: Biopesticide Testing ( read more )....., Lab Needed
14-00666 India Microbiology Laboratory needed for antimicrobial testing of the antimicrobial compounds seen in the algae extract ( read more )....., Lab Needed
14-00654 Universitry Researcher needs Middle East microbiology laboratory for antimicrobial testing on sterile paper dics for microbiology ( read more )....., Lab Needed
antimicrobial test ( read more )....., Lab Needed
14-00644 Europe Microbiology Laboratory needed for Antibacterial rate testing. Test Organism- Escherichia coli Test product- Air Filter (made of fiberglass media) ( read more )....., Lab Needed
14-00634 Brazil ANVISA approved FDA GMP analytical chemistry and microbiology laboratory needed ( read more )....., Lab Needed
14-00602 Food Laboratory needed for Microbiology Testing: Certificate of Analysis Testing on ice cream ( read more )....., Lab Needed
14-00601 UK Microbiology Laboratory needed for dust drum microbial challenge testing of packaging for Orthopaedic implant ( read more )....., Lab Needed
14-00600 India Microbiology Laboratory needed for microbiology testing ( read more )....., Lab Needed
14-00587 Food Microbiology Laboratory needed for virus testing in fruit or fruit pulp sample. ( read more )....., Lab Needed
14-00566 URGENT: Green Cleaning Distributor needs Analytical Chemistry and microbology Laboratory for cleaning product microbiology and chemistry testing 1. Microbe 2. Buffers 3. Stablizers. This is a none FDA product. ( read more )....., Lab Needed
14-00533 NABL and FDA cGMP Microbiology Laboratory needed for Microbiology Testing: Product specific D Value determination of heat resistant spores. ( read more )....., Lab Needed
14-00524 FDA cGMP , HAACP Food Microbiology Laboratory needed for microbiological testing of dairy products for ucts (cheese), we need total coliforms count, e coli count, yeast and molds count ,salonella and stafiloccus detection. it will be 3 )tree samples of cheese ( read more )....., Lab Needed
14-00510 ISO Certified Microbiology Laboratory needed for bacterial cell sizing testing. Please provide how much would you charge to run samples of bacteria. email: ( read more )....., Lab Needed
14-00478 Microbiology Laboratory needed for disinfection testing: Hard Surface Disinfection Studies ( read more )....., Lab Needed
14-00477 Consumer Products Laboratory needed for Stability Testing for Shelf-Life , Expiration Dating and Microbiology Testing of 24 Products. Blends of sunflower oil and essential oils, and blends of witch hazel, aloe, water, botanical extracts, and essential oils. ( read more )....., Lab Needed
14-00444 US or Europe Microbiology Lboratory needed for hyaluronan assay with hyaluronan utilizing bacteria. Will establish baseline growth and repeat with addition of several other compounds. ( read more )....., Lab Needed
14-00440 Cosmetics Analytical Chemistry Laboratory needed for formulation testing of new cosmetics skin cream including microbiology bacteria testing and chemistry viscosity testing. How much do you need to have cream tested? What is the cost? ( read more )....., Lab Needed
14-00432 North America microbiology laboratory nneeded for microbiology preservative Challenge testig of a natural supplement called oil of oregano with lactobacillus sporogenes (about 670) and note % reduction at 4 time points (1 min, 5 min, 1 hour, 3 hours). ( read more )....., Lab Needed
14-00425 India GLP microbiology laboratory needed for GLP / DIN EN Testing of paints. Paints with biocides needed to be evaluated for microbiological performance/efficacy tests of antifouling agents in Paints in India?" ( read more )....., Lab Needed
14-00421 Canada, India or US microbiology laboratory needed for ASTM / AOAC Testing to determine Virucidal efficacy of new formulated disinfectant in Towellette/Swipes ( read more )....., Lab Needed
14-00398 North America Microbiology Laboratory needed for USP Testing to USP 52: Preservative Challenge ON a liquid sample of , to be challenged with: Ps. Aeruginosa (ATCC #9027) S. aureus (ATCC #6538) E. coli (ATCC #8739) A. niger (ATCC #16404) C. albicans (ATCC #10231) over 4 time points ( 0, 7 day, 14 day and 28 day). ( read more )....., Lab Needed
14-00396 North America Microbiology Laboratory needed for Microbiology Testing: Preservative challenge testing on a sample of ionic silver, over 28 days with candida albicans, aspergillus niger, e.coli, pseudomonas aeruginosa, staphylococcus aureus, enterocococcus faecalis, listeria ( read more )....., Lab Needed
14-00372 Clinical Enviromental Microbiology Laboratory needed for clinical waste testing of spore strips. Similar to spore strip testing, we use a spore suspension into a clinical waste disposal machine and validation is confirmed when a minimum log 4 kill has been confirmed. A waste water test will also need to be carried out for discharge into public sewer with treatment plant. ( read more )....., Lab Needed
14-00358 India Microbiology Laboratory needed for cephalosporin testing. Microbial analysis for MIC Values to be evaluated for one of our R&D products belonging to III Generation Cephalosporin in NDDS and with potentiating agents.the MIC of our innovative product. S.aureus Str.pneumoniae S.typhi & S.typhi E.coli H.influenzae Klebsiella spp. Please provide receipt of sample, cost involved in the testing and whether comparison with the benchmark/ standard MICs would be provided along with the data. ( read more )....., Lab Needed
14-00328 Midwest FDA GMP Microbiology laboratory needed for microbiology testing of E. coli bacteria-based bioprocessing platform. This involves using agar-gelled culture media in 12-inch square trays with a membrane laid on top with E. coli growing on top of this, with harvesting after overnight room temperature incubation by scraping cell paste off the membrane. With each 12-inch square tray producing ~1.2 gram protein, ?1 kg of protein can be produced overnight using ?800 trays fitting in 2 standard lab. incubators. The bioprocessing is mechanically rather simple, involving handling of trays; involves no real-time sensors, automated controls and no liquids handling; and presumably can be handled by off-the-shelf robotic equipment. The company?s immediate need is to automate this bioprocessing, or its totally-repetitive bottleneck parts, for in-house manufacture at ~1 kg/day (i.e., ?1,000 trays/day) capacity; and house this as an integrated system within a G-Con or similar modular unit. " ( read more )....., Lab Needed
14-00322 Consumer Products Microbiology Laboratory needed for antibacterial efficacy study for shower cream product to substantiate claim on "24 hrs 99.9% germ protection"? Is it based on in-vivo method? ( read more )....., Lab Needed
14-00307 Industrial Hygiene Microbiology Laboratory needed for Industrial Hygiene Testing: Microbiological Testing and Metals Testing required are: Fungal Spores, Pathogens, Metals, and Pesticides. The media is dollar bills. ( read more )....., Lab Needed
14-00302 US environmental microbiology laboratory needed for soil testing to evaluate the effect of an agricultural fungistat on the beneficial fungi in the soil. If there is an adverse effect, time needed for recovery? Field plus lab portion preferred. GLP not required. ( read more )....., Lab Needed
14-00254 MICROBIOLOGY LABORATORY NEED FOR ASTM TESTING: FUNGUS RESISTANCE TESTING TO ASTM D 4300 Standard Test Methods for Ability of Adhesive Films to Support or Resist the Growth of Fungi , adhesive film, biodegradation, biological testing, fungi, ( read more )....., Lab Needed
14-00225 Microbiology Laboratory needed for Microbiology Study: MIC Values to be evaluated for one of our R&D products belonging to III Generation Cephalosporin in NDDS and with potentiating agents. Given below are the species and strains against which we want to test the MIC of our innovative product. S.aureus Str.pneumoniae S.typhi & S.typhi E.coli H.influenzae Klebsiella spp. Kindly let us know the timeframe the date of receipt of sample, cost involved in the testing and whether comparison with the benchmark/ standard MICs would be provided along with the data. ( read more )....., Lab Needed
14-00201 Asia Environmental Microbiology Laboratory needed for OECD Biodegradability testing as per the protocol of "OECD301C" for our BIOSURFACTANT. ( read more )....., Lab Needed
14-00188 Microbiology laboratory needed for microbiology testing ( read more )....., Lab Needed
14-00185 Microbiology Laboratory needed for hydrocarbon testing: microbial analysis in my samples (bacterial cultures) enriched with petroleum to see the alkanes and the polycyclic aromatic hydrocarbons. 1) Do you have any extraction protocol for the alkanes and for the aromatic fraction? 2) Which method is the most effective to use GC, FID, HPLC other? 3) Do you use an internal and external standard for the analysis of the hydrocarbons? 4) Which is the price for 20 samples, for example, with and without providing the extraction of the hydrocarbons ? I would appreciate your fast reply. Thank you very much. ( read more )....., Lab Needed
14-00181 US microbiology laboratory needed for biodegradability testing of our consumer products bathroom spray made of essential oils ( read more )....., Lab Needed
14-00178 New York Food Laboratory for microbiology and sensory testing of 4 food products. Looking to have shelf life and sensory testing. How long will my defrosted (previously frozen), fully baked product last on refrigerated store shelves. ( read more )....., Lab Needed
14-00177 India Microbiology Laboratory needed for microbial Identification of organism presence in cultured fish samples. ( read more )....., Lab Needed
14-00165 India microbiology laboratory needed for microbiology testing. ( read more )....., Lab Needed
14-00154 Food microbiology lab needed for microbiology analysis of product powder drink mix for third micro analysis: microbiology tests to are total plate count, total coliform count and yeast and mold count. thanks ( read more )....., Lab Needed
14-00135 Midwest Microbiology Laboratory needed for medical cannabis testing: Microbiological Test, Mycotoxin Test, Pesticide chemical residue test or solvent residue test of medical cannabis ( read more )....., Lab Needed
14-00125 South American microbiology laboratory needed for water testing: norovirus test for water sample ( read more )....., Lab Needed
14-00091 Pharmaceutical microbiology laboratory needed for MIC Testing for collection of N. gonorrohoeae isolates within your library that could be used for MIC determination for a large set of compounds 50-100. If so, please include a cost determination, where the compounds would be tested, and timelines. ( read more )....., Lab Needed
14-00084 India microbiology laboratory needed for microbiological testing of Ayurvedic products. ( read more )....., Lab Needed
14-00083 Microbiology Laboratory needed for viral URI Testing from nasal swabs. Infectious agent detection by nucleic acid (DNA or RNA); respiratory virus (eg, adenovirus, influenza virus, coronavirus, metapneumovirus, parainfluenza virus, respiratory syncytial virus, rhinovirus), multiplex reverse transcription and amplified probe technique, multiple types or subtypes, 12-25 targets Nasal swab for testing viral URI's ( read more )....., Lab Needed
14-00041 Consumer Products Microbiology Laboratory needed for anti-fungal microbiology testing: non-clinical studies for 3 anti-fungal projects, including time and cost evaluations. These studies will need to include candidate treatment screening, MIC determination, and synergy studies with preexisting drug treatments. Microbes include Trichophyton rubrum, Malasezzia globosa, and Candida albicans. If possible, I will need a response before 11am ET. Thank you. ( read more )....., Lab Needed
14-00021 USA Microbiology Laboratory needed for ASTM biodegradability testing of prototype soy-based polymeric surfactant to assess biodegradability in anaerobic conditions. It will come in form of aqueous solution of dry (whichever will suit your facility) ( read more )....., Lab Needed
14-00018 GLP Southeast USA microbiology laboratory needed for GLP microbiology testing. Measure the antimicrobial efficacy of a nanoparticle against BSL-2 level bacterial pathogens ( read more )....., Lab Needed
14-00009 Microbiology Laboratory needed for microbiology testing: microbial identification of micro-organisms from 25 swabbed Petri dishes ( from stethoscopes of registered nurses). ( read more )....., Lab Needed
13-01661 Europe environmental microbiology laboratory needed for water testing - microbiology testing ( read more )....., Lab Needed
13-01658 Startup hair growth manufacturer needs ISO microbiology laboratory needed for microbiology quality control testing. Need to evaluate to establish a batch control system for measure of sterility,toxicolity, expected shelf life, etc ( read more )....., Lab Needed
13-01639 Large Multinational Consumer Products Laboratory needs contract microbiology laboratories around the globe able to provide total aerobic plate count, gram staining and speceis level identification. ( read more )....., Lab Needed
13-01610 MONTHLY LAB TESTING: Southwest USA laboratory needed for USAP and AOAC dietary supplement testing, primarily microbiology testinng and heavy metals testing. The dietary supplements in capsules (herbs, vitamins, minerals, other supplements). The supplements are all in dry powdered form. Certain products would be tested for certain things. The number of tests for a given product would range from 1-10. (approximately). 1. arsenic 2. cadmium 3. chromium 4. lead 5. mercury 6. aerobic bacteria 7. yeast/mold 8. salmonella 9. e. coli 10. s. aureus 11. moisture 12. aflatoxin 13. pesticide residue 14. sulfites I expect to request an estimated 10 tests a month. 1. Can you please provide a price to do these tests? 2. What is the turnaround time? 3. Do you require that I ship the samples to you in any particular way? In the past , I have provided them to a lab in small plastic bags with labels. 4. What test methods do you use, USP, AOAC, etc ( read more )....., Lab Needed
13-01600 Microbiology laboratory needed for microbiology testing: D-value determination of the spore samples for steam sterilization. Geobacillus stearothermophilus spore strips Gebbacillus stearothermophilus spore ampoules ( read more )....., Lab Needed
13-01597 Canada Food Laboratory needed for food microbiology testing on cheese. ( read more )....., Lab Needed
13-01591 Food filling manufacturer with new filling technique needs food microbiology laboratory for microbiology testing and inoculation: inoculate and transport a series of PET and HDPE bottles with both a bacteria and a mold to the Boston area. Please let me know if you think this is something your company might be able to assist us with as we are hoping to get a quote as soon as possible. ( read more )....., Lab Needed
13-01568 Enviromental Microbiology Laboratory needed for biodegradability testing of laundry detergents for biodegradability and presence of phosphates under eu regulation 648/2004 and detergent regulation 259/2012. Thank you Regards Alan Brennan ( read more )....., Lab Needed
13-01560 Southwest Canada microbiology laboratory needed for microbiology testing on dried medicinal marijuana: Total arerobic microbial countTotal combined yeast and moulds countBile - tolerant gram negative bacteriaEscherichia coliSalmonellaAlfatoxinsHeavy metalsTHCCBDpest control residueHealth Canada suggests the European Pharmacopeia ( read more )....., Lab Needed
13-01545 Mexico Microbiology Laboratory needed for USP Endotoxin Testing for Endotoxins to USP 85 ( read more )....., Lab Needed
13-01541 Middle East Microbiology Laboratory needed for microbiology testing: Limulus Amebocyte Lysate (LAL) Testing, Endotoxin Testing on sterilization equipment surfaces and surgery instruments ( read more )....., Lab Needed
13-01489 FDA GMP Microbiology laboratory needed for Microbiology testing to FDA Guidance: endotoxin testing. Testing whether a product increases the production of S. Aureus Endotoxin 1 (often referred to as 'toxic shock syndrome toxin 1'). ( read more )....., Lab Needed
13-01484 Microbiology laboratory needed for microbiology testing: Microbial Growth testing on several glass grinding coolants to ASTM E2275 Standard Practice for Evaluating Water-Miscible Metalworking Fluid Bioresistance and Antimicrobial Pesticide Performance ( read more )....., Lab Needed
13-01478 Large multinational corporation needs microbiology laboratory for water testing. ( read more )....., Lab Needed
13-01463 test some of our products such as dishwashing liquid, shampoo and industrial cleaner and Consumer Products Laboratory needed for efficacy testing, microbiology testing and physical testing of degreaser for cleaning efficacy, physical properties such as pH, viscosity, etc., microbiology and stability. ( read more )....., Lab Needed
13-01457 Microbiology Laboratory needed for Bioburden testing. What is the cost? What is the timeframe for the results? We will need to test 30-50 samples of 15ml products per month ( read more )....., Lab Needed
13-01454 Microbiology Laboratory needed for microbiology testing: environmental conditions and test procedures for airbone equipment-section 13 : Fungus Resistannce to RTCA-DO 160 G, Environmental Conditions and Test Procedures for Airborne Equipment ( read more )....., Lab Needed
13-01451 Canada Laboratory needed. Pharmaceutical Microbiology Laboratory needed for USP Microbiology Testing to USP 51 (anti microbial) Skin and eye irritation tests ( read more )....., Lab Needed
13-01442 Microbiology Laboratory needed for anti-microbial testing of cold sterilizing solution by Immersion of medical equipment, formulated with glutaraldehyde to need to evaluate its antimicrobial properties, with elimination trials, especially bacterial spores, mycobacteria and viruses, with some international standards (ASTM, AOAC, EPA Test,). Initially i do the consultation about in wich laboratory can make this kind of test and if so what is the cost and requirements to perform. ( read more )....., Lab Needed
13-01414 FDA GLP Microbiology Laboratory needed for EN pharmaceutical testing 1 product 1 time point for each of the following methods: EN 13727, EN 13624, Chemical disinfectants and antiseptics - Quantitative suspension test for the evaluation of fungicidal activity of chemical disinfectantsEN 13704, EN 14348, EN 14476 ( read more )....., Lab Needed
13-01391 FDA Microbiology Laboratory needed for cytotoxicity testing and antiviral testing for antiviral properties of one test product. The challenge virus will be Vericella zoster and the antiviral properties of the product will be assessed using a Post-Treatment test. The Post-Treatment test will determine if the product has inhibitory activity on the virus propagation in the cells. Prior to the antiviral testing, the cytotoxicity will be determined (TC50) to identify the highest non-cytotoxic concentration for this study. For the Post-Treatment test, the challenge virus dilutions will be incubated with the cells for 60 minutes, and the product concentrations will then be plated onto infected cells. The inhibitory concentrations of the chemicals (IC50 and/or IC90) will also be determined Best if using GraphPad Prism 5.0 or 6.0 software. Two replicates of cytotoxicity and antiviral testing will be performed. ( read more )....., Lab Needed
13-01388 New York microbiology laboratory needed for microbiology testing: mold testing of heat resistant mold. molds separated and the count reported for each - heat resistant and non-heat resistant molds." ( read more )....., Lab Needed
13-01374 South Africa microbiology laboratory needed for biodegradibility testing of wet wipes ( read more )....., Lab Needed
13-01369 FDA Vancouver Microbiology Laboratory needed for LACF Food Testing to test canned goods (Vegetable and Fruit) for PH and Bacteria ( such as Botulism, etc ) There would be anywhere from 5 - 25 different sample styles. ( read more )....., Lab Needed
13-01366 Microbiology Laboratory needed for cell culture testing: microbial inhibition testing of 12 Bacillus species from our culture collection for their ability to inhibit up to 20 animal pathogens of our choosing. Please indicate what it would cost for a project to screen say 12 Bacillus strains against 20 animal pathogens. ( read more )....., Lab Needed
13-01364 Large UAE Cosmetics Manufacturer needs microbiology laboratory for efficacy testing of anti-lice shampoo ( read more )....., Lab Needed
13-01361 FDA GMP Pharmaceutical Microbiology Laboratory needed for USP Microbial Testing: 3 SAMPLES NYSTATIN ASSAY TEST BY Antibiotics-Microbial Assays as per USP general chapter 81 and suspendability test as per Nystatin USP monograph by Microbial (Suspendibility (where packaged for use in the extemporaneous preparation of oral suspensions) - Transfer about 200 mg, accurately weighed, to a 250-mL beaker containing 200.0 mL of water, and disperse by stirring gently with a stirring rod. Allow to stand for 2 minutes, and observe the suspension: the material is in suspension, and little or no sediment is present on the bottom of the beaker. If there is any sediment, assay the undisturbed suspension as directed for nystatin under Antibiotics-Microbial Assays 81 , using an accurately measured volume of it blended in a high-speed blender for 3 to 5 minutes with a sufficient accurately measured volume of dimethylformamide to give a concentration of about 400 USP Nystatin Units per mL. Dilute this stock solution quantitatively with Buffer No. 6 to obtain a Test Dilution having a concentration assumed to be equal to the median dose level of the Standard: not less than 90.0% of the expected number of USP Nystatin Units is found, based on the potency obtained in the Assay.) ( read more )....., Lab Needed
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